CVE-2021-21968CWE-20

A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc

High · published February 4, 2022

CVSS v3.0
8.1
EPSS
1%
Percentile
60.9
In the wild
Unconfirmed
What it is

A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted MQTT payload can lead to arbitrary file overwrite. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00952 · 60.9th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2022-02-04T22:29Z
EPSS history
Timeline
  • 04 FEB 22:29Z
    A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc
    cvelistv5